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Dentistry Term 1 > The Skull > Flashcards

The Skull Flashcards

1
Q

What Suture joins the two parietal bones together?

A

Sagittal Suture

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2
Q

What bones does the Lamboid Suture join?

A

Joins the parietal bones to the occipital bone.

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3
Q

What does the Coronal Suture join?

A

Joins the parietal bone to the frontal bone.

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4
Q

What suture joins the temporal bone to the parietal bones?

A

The squamous suture

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5
Q

What is a protuberance?

A

A bony outgrowth

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6
Q

What is a condyle?

A

A rounded protuberance at the end of a bone, forming an articulation with another bone.

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7
Q

What is a fossa?

A

A hollow/depressed area in the bone

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8
Q

What is the optic foramen?

A

Found on the sphenoid bone, it is the opening of the optic canal. Optic nerve and opthalmic artery pass through/

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9
Q

What is the Superior Orbital Fissure?

A

Found between the lesser and greater wings of the sphenoid. Oculomotor, trochlear, abducens and opthalmic nerve pass through.

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10
Q

What is the inferior orbital fissure?

A

Found on the floor of the orbit, formed by the sphenoid and maxilla

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11
Q

What is the foramen ovale?

A

Found on the posterior part of the sphenoid, the largest of the 3 main foramina. The mandibular and glossopharyngeal nerve pass through.

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12
Q

What is the foramen Rotundum?

A

Circular hole in the sphenoid, connecting the middle cranial fossa and the pterygoidpalatine fossa. Maxillary nerve passes through,

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13
Q

What is the foramen spinosum?

A

Lateral to the foramen ovale, middle meningeal artery passes through.

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14
Q

What is the Jugular Foramen?

A

Large foramen in the base of the skull between the temporal and occipital bone.

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15
Q

What is the hypoglossal canal?

A

Found in the occipital bone (sort of inside the foramen magnum)

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16
Q

What is the foramen magnum?

A

Large opening in the base of the skull in the occipital bone. Spinal cord passes through as it leaves the cranial cavity.

17
Q

What is the glenoid fossa/mandibular fossa?

A

Depression in the temporal bone which articulates with the condyle process of the mandible to form the TMJ.

18
Q

What is the Glenoid Eminence/articular eminence?

A

Located anterior to the glenoid fossa on the zygomatic arch and controls how far the jaw opens.

19
Q

What is the external acoustic meatus?

A

The ear canal, pathway running from the outer to middle ear.

20
Q

What is the carotid canal?

A

Found in the temporal bone, found laterally and posteriorly from the foramen ovale (looking from the base of the skull)

Dentistry Term 1 (3 decks)

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